public void StorageAllegroGraphDeleteTriples()
{
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = new Uri("http://example.org/AllegroGraphTest");
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
agraph.SaveGraph(g);
Console.WriteLine("Graph before deletion");
TestTools.ShowGraph(g);
//Delete all Triples about the Ford Fiesta
agraph.UpdateGraph(g.BaseUri, null, g.GetTriplesWithSubject(new Uri("http://example.org/vehicles/FordFiesta")));
Graph h = new Graph();
agraph.LoadGraph(h, g.BaseUri);
Console.WriteLine("Graph after deletion");
TestTools.ShowGraph(h);
Assert.False(h.IsEmpty, "Graph should not be completely empty");
Assert.True(g.HasSubGraph(h), "Graph retrieved with missing Triples should be a sub-graph of the original Graph");
Assert.False(g.Equals(h), "Graph retrieved should not be equal to original Graph");
Object results = agraph.Query("ASK WHERE { GRAPH <http://example.org/AllegroGraphTest> { <http://example.org/vehicles/FordFiesta> ?p ?o } }");
if (results is SparqlResultSet)
{
Assert.False(((SparqlResultSet)results).Result, "There should no longer be any triples about the Ford Fiesta present");
}
}
public void StorageAllegroGraphDeleteGraph2()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = null;
agraph.DeleteGraph(graphUri);
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = graphUri;
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
agraph.DeleteGraph(graphUri);
h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.True(h.IsEmpty, "Graph should be equal after deletion");
Assert.NotEqual(g, h);
}
public void StorageAllegroGraphDeleteGraph1()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = new Uri("http://example.org/AllegroGraph/delete");
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = graphUri;
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.IsFalse(h.IsEmpty, "Graph should not be empty after loading");
Assert.AreEqual(g, h, "Graphs should have been equal");
agraph.DeleteGraph(graphUri);
h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.IsTrue(h.IsEmpty, "Graph should be equal after deletion");
Assert.AreNotEqual(g, h, "Graphs should not be equal after deletion");
}
public void StorageAllegroGraphSparqlUpdate()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
String updates = "INSERT DATA { GRAPH <http://example.org/new-graph> { <http://subject> <http://predicate> <http://object> } }";
agraph.Update(updates);
SparqlResultSet results = agraph.Query("SELECT * WHERE { GRAPH <http://example.org/new-graph> { ?s ?p ?o } }") as SparqlResultSet;
Assert.NotNull(results);
Assert.Equal(1, results.Count);
}
public void StorageAllegroGraphDescribe()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
String describe = "DESCRIBE <http://example.org/Vehicles/FordFiesta>";
Object results = agraph.Query(describe);
Assert.IsAssignableFrom <IGraph>(results);
if (results is IGraph)
{
TestTools.ShowGraph((IGraph)results);
}
}
public void StorageAllegroGraphAsk()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
String ask = "ASK WHERE { ?s ?p ?o }";
Object results = agraph.Query(ask);
Assert.IsAssignableFrom <SparqlResultSet>(results);
if (results is SparqlResultSet)
{
TestTools.ShowResults(results);
}
}
public void StorageAllegroGraphSaveEmptyGraph1()
{
Graph g = new Graph();
g.BaseUri = new Uri("http://example.org/AllegroGraph/empty");
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, "http://example.org/AllegroGraph/empty");
Assert.True(h.IsEmpty, "Graph should be empty after loading");
Assert.Equal(g, h);
}
public void StorageAllegroGraphDescribe()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
String describe = "DESCRIBE <http://example.org/Vehicles/FordFiesta>";
Object results = agraph.Query(describe);
if (results is IGraph)
{
TestTools.ShowGraph((IGraph)results);
}
else
{
Assert.Fail("Failed to get a Graph as expected");
}
}
public void StorageAllegroGraphAsk()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
String ask = "ASK WHERE { ?s ?p ?o }";
Object results = agraph.Query(ask);
if (results is SparqlResultSet)
{
TestTools.ShowResults(results);
}
else
{
Assert.Fail("Failed to get a Result Set as expected");
}
}
public void StorageAllegroGraphSaveLoad()
{
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = new Uri("http://example.org/AllegroGraphTest");
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, "http://example.org/AllegroGraphTest");
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
}
public void StorageAllegroGraphSaveEmptyGraph3()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = null;
Console.WriteLine("Deleting any existing graph");
agraph.DeleteGraph(graphUri);
Console.WriteLine("Existing graph deleted");
// First create a non-empty graph
Graph g = new Graph();
g.BaseUri = graphUri;
g.Assert(g.CreateBlankNode(), g.CreateUriNode("rdf:type"), g.CreateUriNode(new Uri("http://example.org/BNode")));
Console.WriteLine("Saving non-empty graph");
agraph.SaveGraph(g);
Console.WriteLine("Non-empty graph saved");
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
// Now attempt to overwrite with an empty graph
g = new Graph();
g.BaseUri = graphUri;
Console.WriteLine("Attempting to save empty graph with same name");
agraph.SaveGraph(g);
Console.WriteLine("Empty graph saved");
h = new Graph();
agraph.LoadGraph(h, graphUri);
// Since saving to default graph does not overwrite the graph we've just retrieved must contain the empty graph as a sub-graph
Assert.True(h.HasSubGraph(g));
}
public void StorageAllegroGraphSaveEmptyGraph2()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = new Uri("http://example.org/AllegroGraph/empty2");
Console.WriteLine("Deleting any existing graph");
agraph.DeleteGraph(graphUri);
Console.WriteLine("Existing graph deleted");
// First create a non-empty graph
Graph g = new Graph();
g.BaseUri = graphUri;
g.Assert(g.CreateBlankNode(), g.CreateUriNode("rdf:type"), g.CreateUriNode(new Uri("http://example.org/BNode")));
Console.WriteLine("Saving non-empty graph");
agraph.SaveGraph(g);
Console.WriteLine("Non-empty graph saved");
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
// Now attempt to save an empty graph as well
g = new Graph();
g.BaseUri = graphUri;
Console.WriteLine("Attempting to save empty graph with same name");
agraph.SaveGraph(g);
Console.WriteLine("Empty graph saved");
h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.True(h.IsEmpty, "Graph should be empty after loading");
Assert.Equal(g, h);
}
